Home / 9,491,473.72-13,098,228.96-5,140,559.80

Finding the Fourth Proportional to 9,491,473.72, 13,098,228.96 and 5,140,559.80

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Solution

The fourth proportional to 9,491,473.72, 13,098,228.96 and 5,140,559.80 is: 7,093,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491,473.72 : 13,098,228.96 = 5,140,559.80 : x
  2. Step 2: Convert to fraction form
    9,491,473.72/13,098,228.96 = 5,140,559.80/x
  3. Step 3: Cross multiply
    9,491,473.72x = 13,098,228.96 × 5,140,559.80
  4. Step 4: Simplify right side
    9,491,473.72x = 67,332,229,242,971.81
  5. Step 5: Solve for x
    x = 67,332,229,242,971.81/9,491,473.72
  6. Step 6: Final answer
    x = 7,093,969.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.